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5) Auto correction mode (AE lamp ON)
The mirror unit moves to the shading position, and the reference
width of the reference white plate is scanned, and the correction
value is automatically calculated from that scanned value.
The correction value is displayed and a copy is made.
width of the reference white plate is scanned, and the correction
value is automatically calculated from that scanned value.
The correction value is displayed and a copy is made.
6) Compare the scale image and the actual scale.
If a fine adjustment is required, switch to the manual correction
mode with the magnification ratio display key and perform fine ad-
justment.
mode with the magnification ratio display key and perform fine ad-
justment.
7) Manual correction mode (TEXT lamp ON)
Enter the set value and press the start key.
The set value is stored and a copy is made.
The set value is stored and a copy is made.
<Adjustment specification>
Note: A judgement must be made with 200mm width, and must not be
Note: A judgement must be made with 200mm width, and must not be
made with 100mm width.
Mode
Specification
SIM
Set value
Set range
Main
scanning
direction
magnification
ratio
scanning
direction
magnification
ratio
At normal:
±1.0%
SIM
48-1
Add 1:
0.1% increase
Reduce 1:
0.1% decrease
0.1% increase
Reduce 1:
0.1% decrease
1
∼ 99
● Error in the auto correction mode
Display
Content
Major cause
Copy
quantity
display “– –”
quantity
display “– –”
The correction
value
calculated is
over 5%.
value
calculated is
over 5%.
Improper position of reference
width line of the reference
white plate
width line of the reference
white plate
Improper installation of CCD
unit
unit
Paper jam
lamp ON
lamp ON
Reference line
scanning error
scanning error
Defective CCD
No reference white plate
∗ When SIM 48-01 (AE) is executed, the main scanning direction mag-
nification ratio is automatically set. Therefore, the main scanning
direction magnification ratio adjustment previously described in 5)
must be made again.
direction magnification ratio adjustment previously described in 5)
must be made again.
(6) Sub scanning direction (scanning direction) magnification
ratio adjustment (SIM 48-2, SIM 48-5)
a. OC mode in copying
Note:
Note:
● Before performing this adjustment, be sure to check that the
CCD unit is properly installed.
1) Put a scale on the original table as shown below, and make a nor-
mal (100%) copy.
2) Compare the scale image and the actual image. If necessary, per-
form the following adjustment procedures.
3) Execute SIM 48-2.
4) After warmup, shading is performed and the current set value of
4) After warmup, shading is performed and the current set value of
the sub scanning direction magnification ratio is displayed on the
display section in 2 digits.
display section in 2 digits.
5) Enter the set value and press the start key.
The set value is stored and a copy is made.
<Adjustment specification>
Mode
Specification
SIM
Set value
Set range
Sub scanning
direction
magnification
ratio
(OC mode)
direction
magnification
ratio
(OC mode)
Normal
±1.0%
SIM
48-2
Add 1:
0.1% increase
Reduce 1:
0.1% decrease
0.1% increase
Reduce 1:
0.1% decrease
1
∼ 99
b. SPF mode in copying
Note:
Note:
● Before performing this adjustment, be sure to check that the
CCD unit is properly installed.
● Before performing this adjustment, the OC mode adjustment
in copying must be completed.
1) Put a scale on the original table as shown below, and make a nor-
mal (100%) copy to make a test chart.
Note: Since the printed copy is used as a test chart, put the scale in
parallel with the edge lines.
2) Set the test chart on the SPF and make a normal (100%) copy.
3) Compare the scale image and the actual image. If necessary, per-
3) Compare the scale image and the actual image. If necessary, per-
form the following adjustment procedures.
4) Execute SIM 48-5.
5) After warmup, shading is performed and the current set value of
5) After warmup, shading is performed and the current set value of
the sub scanning direction magnification ratio is displayed on the
display section in 2 digits.
display section in 2 digits.
6) Enter the set value and press the start key.
The set value is stored and a copy is made.
<Adjustment specification>
Mode
Specification
SIM
Set value
Set range
Sub scanning
direction
magnification
ratio
(SPF mode)
direction
magnification
ratio
(SPF mode)
Normal
±1.0%
SIM
48-5
Add 1:
0.1% increase
Reduce 1:
0.1% decrease
0.1% increase
Reduce 1:
0.1% decrease
1
∼ 99
(7) Off center adjustment (SIM 50-13, SIM 50-16)
a. OC mode
Note:
a. OC mode
Note:
● The operation of SIM 50-13 is the same as that of SIM 48-01
(Photo LED ON)
1) Make a test chart as shown below and set it so that its center line
is fit with the original guide center mark.
∗ To make a test chart, draw a line on A3 or 11" × 17" paper at
∗ To make a test chart, draw a line on A3 or 11" × 17" paper at
the center in the paper transport direction.
2) Make a normal copy from the manual paper feed tray, and com-
pare the copy and the test chart.
If necessary, perform the following adjustment procedures.
If necessary, perform the following adjustment procedures.
3) Execute SIM 50-13.
4) After warmup, shading is performed and the current set value of
4) After warmup, shading is performed and the current set value of
the off center adjustment is displayed on the display section in 2
digits.
digits.
5) Enter the set value and press the start key.
The set value is stored and a copy is made.
Center
Original guide
Copy paper
(A3 or 17" x 11")
(A3 or 17" x 11")
DM-2000
6 – 7
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